﻿using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Windows.Data;
using System.Globalization;
using LEEAAttendanceControl.General;

namespace LEEAAttendanceControl
{
    
    public class ZeroToEmptyConverter : IValueConverter
    {
        public object Convert(object value,System.Type targetType,object parameter,CultureInfo culture)
        {
            int zero;
            if (int.TryParse(value.ToString(),out zero) && zero==No.Zero)
            {
                return (Nullable<int>)null;
            }
            else
            {
                return value;
            }

        }

        public object ConvertBack(object value,
                                  System.Type targetType,
                                  object parameter,
                                  CultureInfo culture)
        {
            return null;
        }
    }
}
